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EF- 1 & 2 <br /> O n <br /> e <br /> Architectural &Engineering Specifications <br /> December 2007 <br /> ' DESCRIPTION QTXEN Series <br /> BLOWER: <br /> • Plug-in, permanently lubricated motor-engineered for <br /> ' continuous operation Fans <br /> • Dynamically balanced centrifugal blower wheel for quiet, <br /> efficient performance <br /> • Maintains a high percentage of rated CFM in less than ideal MODELS QTXEN050, <br /> installations QTXEN080 QTXEN110 QTXEN150 <br /> • Low RPM for quiet operation � � <br /> • Resilient anti-vibration motor mounts <br /> HOUSING: <br /> ' Rugged, 26 gauge, galvanized steel construction <br /> • 6"round ducting for superior performance j e ! <br /> • Polymeric duct connector with tapered sleeve and no metallic <br /> clatter <br /> • 7-5/8"height allows for 2"x 8" (nominal)joist installations <br /> ' Sturdy, easy,four-point mounting directly to joist <br /> • Includes unique spacer(patent pending)for mounting to \ <br /> engineered"I"joists <br /> ' Includes hanger bars to position housing anywhere between \ <br /> 16"to 24"-on-center joists <br /> • Two sets of mounting holes for hanger bars allow flush <br /> ' installation with bottom or top of drywall <br /> • Can be mounted in ceilings up to 12/12 pitch <br /> GRILLE: <br /> • Polymeric construction ARCHITECT'S SPECIFICATION <br /> • Innovative design-the result of extensive research with <br /> designers and consumers • Ceiling Ventilator shall be NuTone Model QTXEN050(QTXEN080) <br /> CONTROLS(Purchase separately): (QTXEN110) (QTXEN150). <br /> • Refer to NuTone's catalog for a complete line of accessories • Ceiling Ventilator shall have corrosion resistant galvanized steel <br /> ' to effectively adapt these fans to your construction housing with four-point mounting capability. It shall be ducted to <br /> requirements. a roof or wall cap using 6" round ductwork. <br /> U.L. Listed for use over bathtubs and showers when connected • Blower assembly shall be removable, have a centrifugal-type <br /> ' to a GFCI protected branch circuit(ceiling mount only). blower wheel and a permanently lubricated motor designed for <br /> continuous operation and mounted with resilient anti-vibration <br /> 3-Year Warranty mounts. <br /> • Non-metallic damper/duct connector shall be included. <br /> ' ® , , Air delivery shall be no less than 50 (80) (110) (150) CFM and <br /> sound level no greater than<0.3 (0.3) (0.7) (1.4) Sones. All air <br /> H V' c ` ; and sound ratings shall be certified by HVI. <br /> CERTIFIED • Ceiling ventilator shall be Energy Star® qualified and have an <br /> energy efficient permanent split capacitor motor. <br /> INSTALLATION • Ceiling Ventilator shall be U.L. Listed for use over bathtubs and <br /> showers when connected to a GFCI protected branch circuit. <br /> ' Complete installation instructions are included with each Fan. <br /> Broan-NuTone LLC Hartford,Wisconsin www.nutone.com 888-336-3948 <br /> ' REFERENCE QTY. REMARKS Project <br /> Location <br /> ' Architect <br /> Engineer <br /> ' Contractor <br /> Submitted by Date <br /> 70M 99044086A <br />